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Boss High Beam and low beam on

Discussion in 'Boss Plows Discussion' started by Flawless440, Dec 14, 2013.

  1. Flawless440

    Flawless440 PlowSite.com Addict
    Messages: 1,543

    Just installed a RT3 straight blade..
    On the truck side the high beam and low beam stay on together..
    Havent hook plow up yet to see if its doing the same..

    We have double checked everything, had the same problem on another truck, but it kept blowing fuses. We had something backwards.. Not the case on this truck..

    Thanks for any help
  2. BOSS_JG

    BOSS_JG Senior Member
    Messages: 194

    The reason you have both HI and LOW on simultaneously is that the OEM HI and LOW beam connectors are incorrectly connected to the BOSS headlight adapters. The OEM LOW beam connectors are GRAY in color and have to be connected to the GRAY connector from the BOSS adapter. The OEM HI beam connectors are BLACK and have to be connected to the BLACK connector from the BOSS adapter. If these are crossed on one or both sides of the truck, you will have simultaneously HI & LOW beams.